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Finding the Fourth Proportional to 7,903.62, 11,856.06 and 2,060.28

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Solution

The fourth proportional to 7,903.62, 11,856.06 and 2,060.28 is: 3,090.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,903.62 : 11,856.06 = 2,060.28 : x
  2. Step 2: Convert to fraction form
    7,903.62/11,856.06 = 2,060.28/x
  3. Step 3: Cross multiply
    7,903.62x = 11,856.06 × 2,060.28
  4. Step 4: Simplify right side
    7,903.62x = 24,426,803.30
  5. Step 5: Solve for x
    x = 24,426,803.30/7,903.62
  6. Step 6: Final answer
    x = 3,090.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.